b-p bbb bbd bbe bbp bbw bdb bdd bde bdp bdw be- beb bed bee bep bew bpb bpd bpe bpp bpw bwb bwd bwp dbb dbd dbe dbp ddb ddd dde ddp ddw de- deb ded dee dep dew dpb dpd dpe dpp dpw dwb dwe dwp dww ebb ebd ebe ebp ebw ed- edb edd ede edp edw eeb eed eee eep eew ep- epb epd epe epp epw ewb ewd ewe ewp eww p-p pbb pbd pbe pbp pbw pdb pdd pde pdp peb ped pee pep pew ppb ppd ppe ppp ppw pwb pwd pwe pwp wbb wbd wbe wbw wdb wdp web wed wee wep wew wpb wpd wpe wpp wwd wwe wwp www